Merck
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06856

Supelco

Duroquinone

Standard for quantitative NMR, TraceCERT®

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Synonym(s):
2,3,5,6-Tetramethyl-1,4-benzoquinone, Tetramethyl-p-benzoquinone
Empirical Formula (Hill Notation):
C10H12O2
CAS Number:
Molecular Weight:
164.20
Beilstein:
1909128
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

Standard for quantitative NMR
certified reference material
TraceCERT®

Quality Level

description

qNMR Standard for organic solvents (2 ppm)

product line

TraceCERT®

shelf life

limited shelf life, expiry date on the label

storage condition

under inert gas (Argon)

technique(s)

gas chromatography (GC): suitable
qNMR: suitable

mp

110-112 °C (lit.)

application(s)

cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
personal care
pharmaceutical

format

neat

SMILES string

CC1=C(C)C(=O)C(C)=C(C)C1=O

InChI

1S/C10H12O2/c1-5-6(2)10(12)8(4)7(3)9(5)11/h1-4H3

InChI key

WAMKWBHYPYBEJY-UHFFFAOYSA-N

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General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.g. NIST.
Certified content incl. uncertainty and expiry date are given on the label. Information about trace impurities are stated on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

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Other Notes

Chemcial Shift: 2 ppm (chemical shifts may slightly vary depending on the experimental conditions)
Suitable NMR solvents: CDCl3

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Legal Information

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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25G
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H L Reeve et al.
The Journal of physiology, 533(Pt 1), 253-261 (2001-05-15)
How the ductus arteriosus (DA) closes at birth remains unclear. Inhibition of O2-sensitive K+ channels may initiate the closure but the sensor mechanism is unknown. We hypothesized that changes in endogenous H2O2 could act as this sensor. Using chemiluminescence measurements
Roger Giordani et al.
European journal of biochemistry, 271(12), 2400-2407 (2004-06-09)
In order to clarify the role of cytochrome in nitrate reductase we have performed spectrophotometric and stopped-flow kinetic studies of reduction and oxidation of the cytochrome hemes with analogues of physiological quinones, using menadione as an analogue of menaquinone and
Said H Audi et al.
American journal of physiology. Lung cellular and molecular physiology, 285(5), L1116-L1131 (2003-07-29)
The lungs can substantially influence the redox status of redox-active plasma constituents. Our objective was to examine aspects of the kinetics and mechanisms that determine pulmonary disposition of redox-active compounds during passage through the pulmonary circulation. Experiments were carried out
G J Wilde et al.
The European journal of neuroscience, 12(11), 3863-3870 (2000-11-09)
Upregulation of the pro-inflammatory cytokine tumour necrosis factor-alpha (TNF) occurs rapidly in the brain following ischaemia, although it is unclear whether this represents a neurotoxic or neuroprotective response. We have investigated whether TNF has different actions in the pre- and
Marilyn P Merker et al.
Free radical biology & medicine, 37(1), 86-103 (2004-06-09)
The study objective was to use pulmonary arterial endothelial cells to examine kinetics and mechanisms contributing to the disposition of the quinone 2,3,5,6-tetramethyl-1,4-benzoquinone (duroquinone, DQ) observed during passage through the pulmonary circulation. The approach was to add DQ, durohydroquinone (DQH2)

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